2723705424 has 120 divisors (see below), whose sum is σ = 8416148832. Its totient is φ = 815381760.

The previous prime is 2723705419. The next prime is 2723705429. The reversal of 2723705424 is 4245073272.

It is a happy number.

2723705424 is a `hidden beast` number, since 27 + 23 + 70 + 542 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2723705419) and next prime (2723705429).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723705429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121114 + ... + 141830.

Almost surely, 2^2723705424 is an apocalyptic number.

2723705424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2723705424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4208074416).

2723705424 is an abundant number, since it is smaller than the sum of its proper divisors (5692443408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2723705424 is a wasteful number, since it uses less digits than its factorization.

2723705424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20825 (or 20816 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 2723705424 is about 52189.1312822890. The cubic root of 2723705424 is about 1396.5399973853.

Adding to 2723705424 its reverse (4245073272), we get a palindrome (6968778696).

The spelling of 2723705424 in words is "two billion, seven hundred twenty-three million, seven hundred five thousand, four hundred twenty-four".